Home / 140,509.05-193,902.50-76,846.85

Finding the Fourth Proportional to 140,509.05, 193,902.50 and 76,846.85

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Solution

The fourth proportional to 140,509.05, 193,902.50 and 76,846.85 is: 106,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,509.05 : 193,902.50 = 76,846.85 : x
  2. Step 2: Convert to fraction form
    140,509.05/193,902.50 = 76,846.85/x
  3. Step 3: Cross multiply
    140,509.05x = 193,902.50 × 76,846.85
  4. Step 4: Simplify right side
    140,509.05x = 14,900,796,286.89
  5. Step 5: Solve for x
    x = 14,900,796,286.89/140,509.05
  6. Step 6: Final answer
    x = 106,048.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.